47results about How to "Good shielding protection" patented technology

The invention discloses a guide rail for magnetic suspension and a preparation method thereof. The guide rail comprises a guide rail body; the guide rail body comprises a brake surface and a sliding surface; a coating layer is a metal coating layer and is arranged on each of the surfaces of the brake surface and / or the sliding surface of the guide rail body, and the metal coating layer is welded on the guide rail body. The guide rail disclosed by the invention has the benefits that as the metal coating layers are arranged on the brake surface or the sliding surface of the guide rail body, the wear resistance and the corrosion resistance of the brake surface and the sliding surface are improved, friction coefficients can be adjusted and controlled according to material components to fit a brake pad and meet the brake standard requirements; the coating layers arranged on the brake surface or the sliding surface of the guide rail can obstruct gas and liquid infiltration paths, so that good shielding protection is provided for protected metal, the corrosion resistance of a magnetic suspension steel rail is increased, and the service life is prolonged.

The invention discloses a fluoridized TPU car body film. The fluoridized TPU car body film sequentially comprises a PET peeling layer, an adhesive layer, a TPU base material and a hydrophobic anti-fouling coating from bottom to top, wherein the hydrophobic anti-fouling coating comprises, in parts by mass, 25-35 parts of polyphenylene sulfide, 30-45 parts of a fluorinated ethylene propylene emulsion, 2-6 parts of aluminum oxide, 1-3 parts of sodium sulfite and 20-30 parts of deionized water. The fluoridized TPU car body film has atmosphere aging resistance, can resist harsh weather such as acid rain, wind, snow and the like and has high anti-radiation performance and lower permeability, and the surface and performance can keep unchanged even if the car body film is exposed in the atmosphere for a long time; the car body film is non-sticky and has a self-cleaning property and a smooth and transparent surface, so that dirt cannot stick to the car body film easily, the car washing frequency can be reduced, and the car body film is energy-saving and environment-friendly; the car body film has repairability and is scratch-resistant, small scratches on the surface can automatically disappear, and the appearance of a car is under no influence, the car body film is non-toxic and pollution-free and meets the specification standard for national-level environment-friendly additives and the like.

The invention provides multifunctional power equipment. The multifunctional power equipment comprises a power cabinet door, hinges, a power equipment mounting cabinet, a ventilation net, a fixing sleeve, a supporting rod, a wing-shaped screw, a supporting base, a hollow fan cover, a heat dissipation motor, fan blades, an incoming and outgoing line wiring terminal and a power equipment adjustable mounting plate structure with different adaptability. According to the invention, power equipment mounting holes, mounting plates for different power equipment, a U-shaped adjusting sliding block, a linear sliding rail, a square head bolt and a stop block are arranged; different types of power equipment can be fixedly mounted; the installation requirements of different power equipment are met; proper power equipment mounting holes are selected for mounting and fixing according to the model of the power equipment; meanwhile, the square-head bolt is loosened, and the position of the U-shaped adjusting sliding block on the outer wall of the linear sliding rail is adjusted to determine the distance between different power equipment mounting plates; the square-head bolt is locked, and then powerequipment mounting and fixing work can be conducted; the stopping effect can be achieved through the stop block; and the adjusting safety is guaranteed.

The invention discloses a carbon fiber heat generation cable for underfloor heating. The carbon fiber heat generation cable comprises a carbon fiber composite core material, a resin layer, an insulation layer and an outer skin protection layer, wherein the resin layer, the insulation layer and the outer skin protection layer sequentially wrap the carbon fiber composite core material, the carbon fiber composite core material is formed by twisting a modified carbon fiber beam and an alloy wire, and the modified carbon fiber beam is made of zinc oxide whisker modified PAN-based carbon fiber. The modified carbon fiber beam and the alloy wire are twisted to fabricate the carbon fiber composite core material, the zinc oxide whisker is added into the modified carbon fiber beam, thus, the heat conduction performance and the heat conversion rate of the core material are improved, and the dynamic property is improved; and by matching the resin layer wrapping the carbon fiber composite core material, the total released heat is reduced, the smoke release quantity is increased, the flame retardance can be improved to a certain extent, and the safety coefficient is improved.

The invention relates to a plate with an ionizing ray (X-ray or gamma-ray) radiation protecting function and provides an ionizing ray shielding protective plate. The protective plate comprises the following raw materials in percentage by weight: 7-10 percent of raw wood pulp material, 10-15 percent of cement, 2-5 percent of rare earth composite powder, 60-80 percent of barium sulfate powder and asmall amount of auxiliary materials (mica, aedelforsite and expanded perlite). A manufacturing method of the protective plate comprises the following steps of: preparing raw wood pulp; pulping by mixing; sizing; preparing a molded blank; reshaping and stacking; preparing a molded plate; initially curing; performing steam curing; drying the plate; performing post processing; and the like. The ionizing ray shielding protective plate has dual X-ray and gamma-ray protecting effects, high intensity and light weight, and can be used for replacing a lead plate. The raw materials used in the manufacturing method are sufficient, the foaming procedure in the production process is eliminated, the equipment and the process are simple, and the manufacturing cost is low.

The invention relates to the technical field of building materials, and specifically relates to a C30 high-impermeability concrete with low cementing material consumption and a preparation method thereof. Each cubic meter of the concrete comprises the following components in parts by weight: 140-170 parts of cement, 40-60 parts of fly ash, 70-90 parts of mineral powder, 15-25 parts of silica fume,20-30 parts of stone powder, 18-22 parts of modified meta-kaolin, 490-520 parts of machine-made sand, 335-350 parts of river sand, 990-1020 parts of gravels, 5.1-6.1 parts of a polycarboxylate waterreducer, 165-175 parts of water and 15-25 parts of anti-cracking fibers, wherein the modified meta-kaolin is prepared by exciting and modifying gypsum, epoxy silane and modified polystyrene. The provided C30 high-impermeability concrete has good impermeability.

The invention relates to the field of agricultural equipment, in particular to an easy-to-use combined high-efficiency beekeeping box, an easy-to-use combined high-efficiency beekeeping box, comprising a base, an anti-ant component, a beehive and a shielding component. In the ant component, a beehive is placed on the upper part of the base, and a shielding component is detachably arranged on the upper part of the beehive; the four corners of the bottom of the base are fixed with legs, and the anti-ant components are fixed on the legs. Epidemic prevention part, the epidemic prevention part of the outrigger is arranged at the bottom of the outrigger, and the epidemic prevention part of the outrigger is arranged in the middle part of the outrigger; the beehive is a barrel-shaped structure, a honeycomb cavity is arranged in the beehive shell, a longitudinal filter screen is arranged in the beehive shell, and a longitudinal filter screen is arranged in the beehive shell. The horizontal filter screen is vertically fixed in the middle, the longitudinal filter screen and the horizontal filter screen divide the honeycomb into four beekeeping areas, the two ends of the beehive shell are provided with beehive covers, and the ends of the beehive cover and the beehive shell are provided with entrance and exit gaps; the structure of the present invention Reasonable, convenient to use, and high productivity of the honeycomb.

The invention discloses a closed type power switch device, which relates to the technical field of power switches. Aiming at the problem that the existing button power switch adopts a latch as a safety lock, which is relatively simple and falls off, and the buttons are exposed, and there are no well-taught protection measures , the following scheme is now proposed, including the box body, the front wall of the box body is provided with fixing holes, the bottom inner wall of the box body is welded with a first guide rod, and the outer movable sleeve of the first guide rod is provided with two A connecting block, a movable rod is welded on the connecting block, a baffle is welded on the sides of the two movable rods close to each other, and a spring connected with the movable rod is arranged under the baffle. The invention is novel in design and simple in operation. The whole device is protected by being installed in the box. When in use, the opening of the fixing hole and the change of the height of the main body of the key switch can be adjusted, so that it is convenient for users to use and has better shielding protection for the main body of the key switch. Effect.

The invention discloses a kitchen oil barrier baffle. The kitchen oil barrier baffle comprises mounting frames, lead screws, guide rails, nuts, sliding rods, baffle bodies and motors. The left end of each lead screw is movably connected to the first mounting frame, and the right end of each lead screw penetrates through the second mounting frame and is connected to an output shaft of the corresponding motor. The motors are mounted at the right outer end of the second mounting frame. The two ends of each guide rail are fixedly connected to the two mounting frames correspondingly. The guide rails are located above the corresponding lead screws. The nuts are arranged on the corresponding lead screws. The sliding rods are arranged between the corresponding nuts and the corresponding guide rails. The baffle bodies are arranged at the lower ends of the corresponding nuts. The kitchen oil barrier baffle can well protect persons, the baffle bodies can be adjusted, the shielding protection effect is good, and the persons are effectively protected against harm.

The invention provides an integrated shield and protection sensor which comprises a sensing probe, a cable portion and a sealing connection flange. A flange base of the sealing connection flange is fixedly mounted on a box, the sensing probe is arranged in the box, a sealing sleeve is detachably fixed on a base plate of the flange base, the outer end of the sealing sleeve is connected with a pressing cover in a threaded manner, the sealing sleeve is embedded between the pressing cover and the flange base, the cable portion penetrates the box, the flange base, a sealing rubber sleeve and a cable hole of the pressing cover, and the sealing sleeve is extruded by screwing the pressing cover and can function in sealing. By the aid of the technical scheme, a signal transmission cable connector joint connecting structure is abandoned, and a transmission cable has continuous and complete shield and protection functions and can reliably work in working environments with strong vibration and strong interference.

The invention discloses a small power generation device capable of generating power by tide. A fixed bearing seat and a fixed base are included, the fixed bearing seat is fixedly installed at the upper end of the fixed base, and a middle shaft rod is arranged in the middle of the upper end of the fixed bearing seat. According to the small power generation device capable of generating power throughtide, a good protection effect is achieved by an adjusting shielding cover, the adjusting shielding cover is fixedly connected to a vortex machine shell through an adjusting screw in a welded mode, and therefore the adjusting screw is convenient to support and use, during usage, a transparent shielding cover at the lower end of a fixing disc is conveniently connected with a power generator body in a sleeving mode for use, so that a good shielding protection function is achieved, accordingly, outer side collisions and damage are effectively avoided, and the service life is effectively prolonged. During cup joint, the adjusting screw and the fixing disc are fixed through an upper side nut and a lower side nut, so that the height is conveniently adjusted on the adjusting screw, and cup jointand fixing usage are facilitated, and therefore, adjustment is convenient as required.

The application discloses a water-based rust conversion shielding coating and a preparation method thereof, which relate to the technical field of coatings. A water-based rust conversion shielding coating, mainly made of coating materials comprising the following parts by weight: 75-95 parts of dichloroethylene modified acrylic acid emulsion, 6-14 parts of organic acid aqueous solution, 1-2 parts of film-forming polymer, moistening 0.05-0.15 parts of wet agent; the organic acid aqueous solution contains 25-35% organic acid by weight, and the rest is water; the organic acid includes tannic acid. It has the advantage of good constructability. The preparation method has the advantage of improving the workability of the product.

The invention relates to a preparation method of redispersible fluorine-containing polymer latex powder, belonging to the field of polymer material preparation. The preparation method is realized through the following steps: using a fluorine-containing macromolecule containing a hydrophilic group as a chain transfer agent, polymerizing a monomer, a fluorine-containing macromolecular chain transfer agent containing a hydrophilic group, an initiator, and a solvent, and the reaction is completed Afterwards, the carbon dioxide is vaporized and recovered to obtain powdered redispersible fluorine-containing polymer latex powder; the solvent is liquid or supercritical carbon dioxide. The controllable polymerization technology is adopted, the operation is simple, the reaction conditions are mild, and the molecular weight and molecular structure of the obtained polymer are controllable, which endows the redispersible latex powder with more excellent performance and dispersion stability.

The invention discloses an anti-corrosion material capable of substituting electroplated zinc and a preparation method of the anti-corrosion material. The anti-corrosion material capable of substituting electroplated zinc comprises the following components in percentage by weight: 60-90% of zinc powder, 1-10% of organic resin, 0.2-2% of an anti-settling agent, and 5-30% of an organic solvent. The invention further discloses a preparation method of the anti-corrosion material capable of substituting electroplated zinc. The anti-corrosion material capable of substituting electroplated zinc provided by the invention is convenient to construct, has excellent anti-corrosion performances, and is environment-friendly and energy-saving.